| 3. Round | 11/08/2017 | OKS Stomil Olsztyn | - | Podbeskidzie Bielsko-Biała | 3:1 |  |
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| 7. Round | 02/09/2017 | OKS Stomil Olsztyn | - | Górnik Łęczna | 2:1 | |
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| 8. Round | 09/09/2017 | Pogoń Siedlce | - | OKS Stomil Olsztyn | 1:0 |  |
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| 13. Round | 14/10/2017 | OKS Stomil Olsztyn | - | Odra Opole | 2:0 | |
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| 12. Round | 18/10/2017 | GKS Katowice | - | OKS Stomil Olsztyn | 3:1 | |
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| 27. Round | 21/04/2018 | OKS Stomil Olsztyn | - | Puszcza Niepołomice | 2:0 | |
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| 28. Round | 29/04/2018 | Raków Częstochowa | - | OKS Stomil Olsztyn | 2:1 | |
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| 29. Round | 05/05/2018 | OKS Stomil Olsztyn | - | GKS Katowice | 1:0 | |
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| 30. Round | 09/05/2018 | Odra Opole | - | OKS Stomil Olsztyn | 2:4 | |
Poland